Griffith & Pidgeon [Ed.]. 1832. The class Insecta arranged by the Baron Cuvier, with supplementary additions to each order by Edward Griffith and Edward Pidgeon, and notices of new genera and species by George Gray 2:218 >> Note: Description. (Plate 68 fig. 7 figure of antenna of Pachylis sp.) >> Pachylis

Walker, F. 1871. Catalogue of the Specimens of Hemiptera Heteroptera in the Collection of the British Museum IV:43, 52-53 >> Note: In key, synonymy (=Thasus), key to species, catalogue of species. >> Pachylis